What are the 4 categories the skeletal system is composed of ?
Bones , cartilages , joints , ligaments
Which cartilage contains no blood vessels or nerves ?
Skeletal cartilage
What kind of bone is this ?
Long bone
How does protection work in the function of bones ?
Protect brain, spinal cord, and vital organs
What is gross anatomy ?
Structure of short , irregular, and flat bones
What are the 2 major divisions ?
Axial skeleton, appendicular skeleton
what are the 3 types of cartilage
Hyaline ,elastic , fibrocartilage
how would you classify this bone ?
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Thin, flat, slightly curved
Mineral growth and factor storage ?
Calcium and phosphorus, and growth factors reservoir
What does periosteum do ?
Covers outside of compact bone
Axial skeleton consisting of 80 bones divided into what 3 major regions ?
Skull , vertebral column , thoracic cage
Where are you most likely to find external ear and epiglotti?
Elastic cartilage
What are the three levels of bone structure ?
Gross , microscopic , chemical
What are the seven important functions of bones ?
Support , protection , movement , mineral and growth factor storage , hematopoiesis , hormone production , osteocalcin
What kind of bone is this ?
Spongy bone
What is the area called that contains the ribs , sternum , and thoracic vertebrae?
Thoracic cage
What are the two ways cartilage grow ?
appositional growth , interstitial growth
Why are bones considered organs ?
Where does hematopoiesis occur ?
Occurs in red marrow cavities of certain bones
What is Diaphysis ?
tubular shaft that forms long axis of bone
What are the 3 main functions of a axial skeleton?
Support head, neck , and trunk. Protect brain , spinal cord , and thoracic organs. Form longitudinal axis if body
what is a perichondrium ?
Layer of dense connective tissue surrounding cartilage tissue that consists primarily of water
What kind of bone is this ?
Sesamoid bone?
What is Osteocalcin ?
secreted by bones helps to regulate insulin secretion, glucose levels, and metabolism
What is epiphyses?
ends of long bones that consist of compact bone externally and spongy bone internally